HADOOP-13660. Upgrade commons-configuration version. Contributed by Sean Mackrory.

hadoop-common-project/hadoop-common/dev-support/findbugsExcludeFile.xml

@@ -410,4 +410,10 @@
     <Filed name="done"/>
     <Bug pattern="JLM_JSR166_UTILCONCURRENT_MONITORENTER"/>
   </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.metrics2.impl.MetricsConfig"/>
+    <Method name="toString"/>
+    <Bug pattern="DM_DEFAULT_ENCODING"/>
+  </Match>
 </FindBugsFilter>

hadoop-common-project/hadoop-common/pom.xml

@@ -173,8 +173,13 @@
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>commons-configuration</groupId>
-      <artifactId>commons-configuration</artifactId>
+      <groupId>commons-beanutils</groupId>
+      <artifactId>commons-beanutils</artifactId>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-configuration2</artifactId>
       <scope>compile</scope>
     </dependency>
     <dependency>

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/MetricsPlugin.java

@@ -18,7 +18,7 @@
 
 package org.apache.hadoop.metrics2;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/filter/AbstractPatternFilter.java

@@ -21,7 +21,7 @@ package org.apache.hadoop.metrics2.filter;
 import java.util.Map;
 
 import com.google.common.collect.Maps;
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.metrics2.MetricsException;

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsConfig.java

@@ -19,13 +19,12 @@
 package org.apache.hadoop.metrics2.impl;
 
 import java.io.ByteArrayOutputStream;
-import java.io.PrintStream;
+import java.io.PrintWriter;
 import java.net.URL;
 import java.net.URLClassLoader;
 import static java.security.AccessController.*;
 import java.security.PrivilegedAction;
 import java.util.Iterator;
-import java.util.Locale;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -35,10 +34,13 @@ import com.google.common.base.Splitter;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Maps;
 
-import org.apache.commons.configuration.Configuration;
-import org.apache.commons.configuration.ConfigurationException;
-import org.apache.commons.configuration.PropertiesConfiguration;
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.Configuration;
+import org.apache.commons.configuration2.PropertiesConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
+import org.apache.commons.configuration2.builder.fluent.Configurations;
+import org.apache.commons.configuration2.builder.fluent.Parameters;
+import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler;
+import org.apache.commons.configuration2.ex.ConfigurationException;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.metrics2.MetricsFilter;
@@ -110,15 +112,20 @@ class MetricsConfig extends SubsetConfiguration {
   static MetricsConfig loadFirst(String prefix, String... fileNames) {
     for (String fname : fileNames) {
       try {
-        Configuration cf = new PropertiesConfiguration(fname)
-            .interpolatedConfiguration();
+        Configuration cf = new Configurations().propertiesBuilder(fname)
+            .configure(new Parameters().properties()
+                .setFileName(fname)
+                .setListDelimiterHandler(new DefaultListDelimiterHandler(',')))
+              .getConfiguration()
+              .interpolatedConfiguration();
         LOG.info("loaded properties from "+ fname);
         LOG.debug(toString(cf));
         MetricsConfig mc = new MetricsConfig(cf, prefix);
         LOG.debug(mc);
         return mc;
       } catch (ConfigurationException e) {
-        if (e.getMessage().startsWith("Cannot locate configuration")) {
+        // Commons Configuration defines the message text when file not found
+        if (e.getMessage().startsWith("Could not locate")) {
           continue;
         }
         throw new MetricsConfigException(e);
@@ -175,8 +182,8 @@ class MetricsConfig extends SubsetConfiguration {
    * @return  the value or null
    */
   @Override
-  public Object getProperty(String key) {
-    Object value = super.getProperty(key);
+  public Object getPropertyInternal(String key) {
+    Object value = super.getPropertyInternal(key);
     if (value == null) {
       if (LOG.isDebugEnabled()) {
         LOG.debug("poking parent '"+ getParent().getClass().getSimpleName() +
@@ -249,11 +256,6 @@ class MetricsConfig extends SubsetConfiguration {
     return defaultLoader;
   }
 
-  @Override public void clear() {
-    super.clear();
-    // pluginLoader.close(); // jdk7 is saner
-  }
-
   MetricsFilter getFilter(String prefix) {
     // don't create filter instances without out options
     MetricsConfig conf = subset(prefix);
@@ -274,10 +276,10 @@ class MetricsConfig extends SubsetConfiguration {
   static String toString(Configuration c) {
     ByteArrayOutputStream buffer = new ByteArrayOutputStream();
     try {
-      PrintStream ps = new PrintStream(buffer, false, "UTF-8");
+      PrintWriter pw = new PrintWriter(buffer, false);
       PropertiesConfiguration tmp = new PropertiesConfiguration();
       tmp.copy(c);
-      tmp.save(ps);
+      tmp.write(pw);
       return buffer.toString("UTF-8");
     } catch (Exception e) {
       throw new MetricsConfigException(e);

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSystemImpl.java

@@ -36,7 +36,7 @@ import com.google.common.annotations.VisibleForTesting;
 import java.util.Locale;
 import static com.google.common.base.Preconditions.*;
 
-import org.apache.commons.configuration.PropertiesConfiguration;
+import org.apache.commons.configuration2.PropertiesConfiguration;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.commons.math3.util.ArithmeticUtils;
@@ -347,7 +347,7 @@ public class MetricsSystemImpl extends MetricsSystem implements MetricsSource {
     PropertiesConfiguration saver = new PropertiesConfiguration();
     StringWriter writer = new StringWriter();
     saver.copy(config);
-    try { saver.save(writer); }
+    try { saver.write(writer); }
     catch (Exception e) {
       throw new MetricsConfigException("Error stringify config", e);
     }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/sink/FileSink.java

@@ -24,7 +24,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.metrics2.AbstractMetric;

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/sink/GraphiteSink.java

@@ -18,7 +18,7 @@
 
 package org.apache.hadoop.metrics2.sink;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience;

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/sink/RollingFileSystemSink.java

@@ -36,7 +36,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.commons.lang.time.FastDateFormat;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/sink/StatsDSink.java

@@ -25,7 +25,7 @@ import java.net.DatagramSocket;
 import java.net.InetSocketAddress;
 import java.nio.charset.StandardCharsets;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.metrics2.AbstractMetric;

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/sink/ganglia/AbstractGangliaSink.java

@@ -25,7 +25,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.metrics2.MetricsSink;

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/sink/ganglia/GangliaSink30.java

@@ -26,7 +26,8 @@ import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
+import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience;
@@ -58,7 +59,7 @@ public class GangliaSink30 extends AbstractGangliaSink {
   public void init(SubsetConfiguration conf) {
     super.init(conf);
 
-    conf.setListDelimiter(',');
+    conf.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
     Iterator<String> it = (Iterator<String>) conf.getKeys();
     while (it.hasNext()) {
       String propertyName = it.next();
@@ -66,20 +67,17 @@ public class GangliaSink30 extends AbstractGangliaSink {
         String contextName = propertyName.substring(TAGS_FOR_PREFIX_PROPERTY_PREFIX.length());
         String[] tags = conf.getStringArray(propertyName);
         boolean useAllTags = false;
-        Set<String> set = null;
-        if (tags.length > 0) {
-          set = new HashSet<String>();
-          for (String tag : tags) {
-            tag = tag.trim();
-            useAllTags |= tag.equals("*");
-            if (tag.length() > 0) {
-              set.add(tag);
-            }
-          }
-          if (useAllTags) {
-            set = null;
+        Set<String> set = new HashSet<>();
+        for (String tag : tags) {
+          tag = tag.trim();
+          useAllTags |= tag.equals("*");
+          if (tag.length() > 0) {
+            set.add(tag);
           }
         }
+        if (useAllTags) {
+          set = null;
+        }
         useTagsMap.put(contextName, set);
       }
     }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/filter/TestPatternFilter.java

@@ -21,7 +21,7 @@ package org.apache.hadoop.metrics2.filter;
 import java.util.Arrays;
 import java.util.List;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.junit.Test;
 
 import static org.junit.Assert.*;

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/impl/ConfigBuilder.java

@@ -18,8 +18,11 @@
 
 package org.apache.hadoop.metrics2.impl;
 
-import org.apache.commons.configuration.PropertiesConfiguration;
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.PropertiesConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
+import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler;
+
+import java.io.FileWriter;
 
 /**
  * Helper class for building configs, mostly used in tests
@@ -33,6 +36,7 @@ public class ConfigBuilder {
    */
   public ConfigBuilder() {
     config = new PropertiesConfiguration();
+    config.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
   }
 
   /**
@@ -54,7 +58,8 @@ public class ConfigBuilder {
    */
   public ConfigBuilder save(String filename) {
     try {
-      config.save(filename);
+      FileWriter fw = new FileWriter(filename);
+      config.write(fw);
     }
     catch (Exception e) {
       throw new RuntimeException("Error saving config", e);

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/impl/ConfigUtil.java

@@ -18,12 +18,12 @@
 
 package org.apache.hadoop.metrics2.impl;
 
-import java.io.PrintStream;
+import java.io.PrintWriter;
 import java.util.Iterator;
 
 import static org.junit.Assert.*;
-import org.apache.commons.configuration.Configuration;
-import org.apache.commons.configuration.PropertiesConfiguration;
+import org.apache.commons.configuration2.Configuration;
+import org.apache.commons.configuration2.PropertiesConfiguration;
 
 /**
  * Helpers for config tests and debugging
@@ -31,20 +31,20 @@ import org.apache.commons.configuration.PropertiesConfiguration;
 class ConfigUtil {
 
   static void dump(Configuration c) {
-    dump(null, c, System.out);
+    dump(null, c, new PrintWriter(System.out));
   }
 
   static void dump(String header, Configuration c) {
-    dump(header, c, System.out);
+    dump(header, c, new PrintWriter(System.out));
   }
 
-  static void dump(String header, Configuration c, PrintStream out) {
+  static void dump(String header, Configuration c, PrintWriter out) {
     PropertiesConfiguration p = new PropertiesConfiguration();
     p.copy(c);
     if (header != null) {
       out.println(header);
     }
-    try { p.save(out); }
+    try { p.write(out); }
     catch (Exception e) {
       throw new RuntimeException("Error saving config", e);
     }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/impl/TestMetricsCollectorImpl.java

@@ -21,7 +21,7 @@ package org.apache.hadoop.metrics2.impl;
 import org.junit.Test;
 import static org.junit.Assert.*;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import static org.apache.hadoop.metrics2.filter.TestPatternFilter.*;
 import static org.apache.hadoop.metrics2.lib.Interns.*;
 

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/impl/TestMetricsConfig.java

@@ -23,7 +23,7 @@ import java.util.Map;
 import org.junit.Test;
 import static org.junit.Assert.*;
 
-import org.apache.commons.configuration.Configuration;
+import org.apache.commons.configuration2.Configuration;
 import org.apache.commons.logging.LogFactory;
 import org.apache.commons.logging.Log;
 import static org.apache.hadoop.metrics2.impl.ConfigUtil.*;

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/impl/TestMetricsSystemImpl.java

@@ -41,7 +41,7 @@ import static org.mockito.Mockito.*;
 import com.google.common.base.Predicate;
 import com.google.common.collect.Iterables;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.metrics2.MetricsException;

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/sink/RollingFileSystemSinkTestBase.java

@@ -32,7 +32,7 @@ import java.util.Calendar;
 import java.util.Date;
 import java.util.TimeZone;
 import java.util.regex.Pattern;
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FSDataOutputStream;

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/sink/TestRollingFileSystemSink.java

@@ -19,7 +19,7 @@
 package org.apache.hadoop.metrics2.sink;
 
 import java.util.Calendar;
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.metrics2.MetricsException;
 import org.apache.hadoop.metrics2.impl.ConfigBuilder;

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/sink/ganglia/TestGangliaSink.java

@@ -18,7 +18,7 @@
 
 package org.apache.hadoop.metrics2.sink.ganglia;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.metrics2.impl.ConfigBuilder;
 import org.junit.Test;
 

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/PositionStripeReader.java

@@ -18,7 +18,6 @@
 package org.apache.hadoop.hdfs;
 
 import com.google.common.base.Preconditions;
-import org.apache.commons.configuration.SystemConfiguration;
 import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
 import org.apache.hadoop.hdfs.protocol.LocatedBlock;
 import org.apache.hadoop.hdfs.util.StripedBlockUtil;

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeFSDataSetSink.java

@@ -17,7 +17,7 @@
  */
 package org.apache.hadoop.hdfs.server.datanode;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.metrics2.AbstractMetric;

hadoop-project/pom.xml

@@ -801,9 +801,14 @@
         <version>3.2.2</version>
       </dependency>
       <dependency>
-        <groupId>commons-configuration</groupId>
-        <artifactId>commons-configuration</artifactId>
-        <version>1.6</version>
+        <groupId>commons-beanutils</groupId>
+        <artifactId>commons-beanutils</artifactId>
+        <version>1.9.3</version>
+      </dependency>
+      <dependency>
+        <groupId>org.apache.commons</groupId>
+        <artifactId>commons-configuration2</artifactId>
+        <version>2.1</version>
       </dependency>
       <dependency>
         <groupId>org.slf4j</groupId>

hadoop-tools/hadoop-azure/pom.xml

@@ -163,6 +163,12 @@
       <groupId>com.microsoft.azure</groupId>
       <artifactId>azure-storage</artifactId>
       <scope>compile</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.commons</groupId>
+          <artifactId>commons-lang3</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <dependency>

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azure/AzureBlobStorageTestAccount.java

@@ -29,7 +29,7 @@ import java.util.GregorianCalendar;
 import java.util.TimeZone;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.azure.metrics.AzureFileSystemInstrumentation;

hadoop-tools/hadoop-kafka/src/main/java/org/apache/hadoop/metrics2/sink/KafkaSink.java

@@ -21,7 +21,7 @@ package org.apache.hadoop.metrics2.sink;
 import com.google.common.base.Strings;
 import org.apache.kafka.clients.producer.Producer;
 import org.apache.kafka.clients.producer.KafkaProducer;
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.metrics2.AbstractMetric;

hadoop-tools/hadoop-kafka/src/test/java/org/apache/hadoop/metrics2/impl/TestKafkaMetrics.java

@@ -20,7 +20,7 @@ package org.apache.hadoop.metrics2.impl;
 
 import com.google.common.base.Objects;
 import com.google.common.collect.Lists;
-import org.apache.commons.configuration.SubsetConfiguration;
+import org.apache.commons.configuration2.SubsetConfiguration;
 import org.apache.hadoop.metrics2.AbstractMetric;
 import org.apache.hadoop.metrics2.MetricType;
 import org.apache.hadoop.metrics2.MetricsInfo;